---
id: CVE-2025-11200
aliases:
  - GHSA-6xj8-rrqx-r4cv
  - BIT-mlflow-2025-11200
  - PYSEC-2026-1642
title: MLflow Weak Password Requirements Authentication Bypass Vulnerability
summary: MLflow Weak Password Requirements Authentication Bypass Vulnerability
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: mlflow
product: mlflow
ecosystem: pip
affected:
  - mlflow < 2.22.0rc0
patched:
  - mlflow 2.22.0rc0
published: '2025-10-29'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-6xj8-rrqx-r4cv'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-11200'
  - url: >-
      https://github.com/mlflow/mlflow/commit/1f74f3f24d8273927b8db392c23e108576936c54
  - url: 'https://github.com/mlflow/mlflow'
  - url: 'https://www.zerodayinitiative.com/advisories/ZDI-25-932'
tags:
  - osv
  - pip
epss: 0.01474
epssPercentile: 0.72725
zeroDay: true
ingestedAt: '2026-07-08T18:25:46.562Z'
---

## Overview

MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of passwords. The issue results from weak password requirements. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26916.

## Affected packages

- `mlflow < 2.22.0rc0`

## Remediation

Upgrade to a patched release:

- `mlflow 2.22.0rc0`